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Linux From Scratch This Forum is for the discussion of LFS.
LFS is a project that provides you with the steps necessary to build your own custom Linux system.

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Old 07-23-2007, 05:13 PM   #1
dhave
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Can I build 32-bit LFS on a 64-bit AMD system?


Hi,

For a month or so I'm using a 64bit AMD-based system running Mandriva. I have a few extra days, so I thought I go through LFS again (first and only time was over two years ago).

My question: Can I build a "regular" 32-bit LFS system using the 64-bit Mandriva system as the host?

I'm mainly concerned about building the first components of the LFS toolchain, since those are built directly using the host's toolchain, if I understand correctly.

Thanks.
 
Old 07-23-2007, 05:18 PM   #2
weibullguy
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Yes. But, since you are using a multilib architecture (x86_64) why not build a multilib operating system? Technically, a 32-bit only build on an x86_64 platform won't be standards compliant. The few extra build you need to do for a multilib system won't really add much time to the overall process.
 
Old 07-23-2007, 05:25 PM   #3
dhave
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Quote:
Originally Posted by weibullguy
Yes. But, since you are using a multilib architecture (x86_64) why not build a multilib operating system? Technically, a 32-bit only build on an x86_64 platform won't be standards compliant. The few extra build you need to do for a multilib system won't really add much time to the overall process.
O.K., since I posted a few minutes ago I started reading about CLFS and suspected that was how I wanted to go. Your reply confirms that. Packages are downloading as I type ...

Thanks for the help.
 
Old 07-23-2007, 07:13 PM   #4
weibullguy
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Good news. Welcome to CLFS. May I strongly encourage you to use the multilib instructions. You will have the best of both worlds in a manner of speaking and a standards compliant operating system. Don't forget to check out http://cblfs.cross-lfs.org/index.php/Main_Page when you're finished with the book.

There is also a new CLFS Hints Wiki and when I say new, I mean new. Not a lot of information there yet, but look it over while you're building your system. Anything you can add to the Hints wiki while you're building would be great!
 
Old 07-23-2007, 08:00 PM   #5
thloh85
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Yes you can...
I don't see a need for multilib anyway(at least for now hehe) LOL (I'm using AMD 64, but still, all my libs are 32-bits in LFS)...
Since all packages are installed via autotools, majority should compile under 32-bit library(not much are incompatible with 32-bit library)...
Thank you... Hope this helps...
 
  


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